WO2022176010A1 - 乗客コンベアの複数のクシ歯と複数のクリートとの位置関係の状態を点検する点検装置 - Google Patents
乗客コンベアの複数のクシ歯と複数のクリートとの位置関係の状態を点検する点検装置 Download PDFInfo
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- WO2022176010A1 WO2022176010A1 PCT/JP2021/005670 JP2021005670W WO2022176010A1 WO 2022176010 A1 WO2022176010 A1 WO 2022176010A1 JP 2021005670 W JP2021005670 W JP 2021005670W WO 2022176010 A1 WO2022176010 A1 WO 2022176010A1
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- data
- shape data
- inspection device
- comb
- passenger conveyor
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- 238000007689 inspection Methods 0.000 title claims abstract description 99
- 238000013075 data extraction Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 18
- 230000000737 periodic effect Effects 0.000 claims description 4
- 230000010363 phase shift Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 abstract description 6
- 244000126211 Hericium coralloides Species 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 26
- 230000006870 function Effects 0.000 description 10
- 238000001514 detection method Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
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- 239000004065 semiconductor Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
- B66B29/02—Safety devices of escalators or moving walkways responsive to, or preventing, jamming by foreign objects
- B66B29/06—Combplates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B31/00—Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning
Definitions
- the present disclosure relates to an inspection device that inspects the state of the positional relationship between multiple comb teeth and multiple cleats of a passenger conveyor.
- Patent Document 1 discloses an inspection device for a passenger conveyor. According to the inspection device, when any of the plurality of comb teeth periodically arranged on the comb of the passenger conveyor collides with and is damaged by any of the plurality of cleats arranged periodically on the step, the comb is damaged. Tooth breakage can be detected.
- Patent Document 1 only determines the state of a plurality of comb teeth. Therefore, it is not possible to determine the state of the positional relationship between the multiple comb teeth and the multiple cleats before they collide with each other.
- An object of the present disclosure is to provide a passenger conveyor inspection device that can determine the state of the positional relationship between a plurality of comb teeth and a plurality of cleats before they collide with each other.
- An inspection device for a passenger conveyor includes a data acquisition unit that acquires surface data reflecting the uneven shapes of the surfaces of a plurality of comb teeth and the uneven shapes of the surfaces of a plurality of cleats; a data extraction unit for extracting comb shape data, which is multidimensional vector data representing the shapes of the plurality of comb teeth, and cleat shape data, which is multidimensional vector data representing the shapes of the plurality of cleats, from the obtained surface data; a similarity calculating unit for calculating a similarity between the comb shape data extracted by the data extracting unit and the cleat shape data; and a state determination unit that determines the state of the positional relationship with the cleat.
- the inspection device determines the state of the positional relationship between the multiple comb teeth and the multiple cleats based on the degree of similarity between the comb shape data and the cleat shape data.
- the state of the positional relationship between the multiple comb teeth and the multiple cleats can be determined before the comb teeth and the cleats collide.
- FIG. 1 is a configuration diagram of an escalator to which an inspection device for a passenger conveyor according to Embodiment 1 is applied;
- FIG. FIG. 4 is a diagram for explaining inspection of the passenger conveyor by the inspection device for the passenger conveyor according to Embodiment 1;
- 1 is a block diagram of an inspection device for a passenger conveyor according to Embodiment 1.
- FIG. FIG. 4 is a diagram showing surface data used in the inspection device for the passenger conveyor according to Embodiment 1;
- FIG. 4 is a diagram for explaining a method for extracting comb shape data and cleat shape data by the inspection device for the passenger conveyor according to Embodiment 1;
- FIG. 5 is a diagram for explaining a method of calculating the degree of similarity between comb shape data and cleat shape data by the passenger conveyor inspection device according to Embodiment 1;
- 1 is a hardware configuration diagram of an inspection device for a passenger conveyor according to Embodiment 1.
- FIG. FIG. 10 is a block diagram of an inspection device for a passenger conveyor according to Embodiment 2;
- FIG. 10 is a diagram for explaining a method of shifting the phase of one of the comb shape data and the cleat shape data by the passenger conveyor inspection device according to the second embodiment;
- FIG. 11 is a diagram for explaining inspection of a passenger conveyor by an inspection device for a passenger conveyor according to Embodiment 3;
- FIG. 12 is a diagram for explaining a method for extracting comb shape data and cleat shape data by the inspection device for the passenger conveyor according to Embodiment 3;
- FIG. 11 is a block diagram of an inspection device for a passenger conveyor according to Embodiment 4;
- FIG. 12 is a diagram for explaining a method of determining timing when an end portion of a step passes directly under a plurality of comb teeth by an inspection device for a passenger conveyor according to Embodiment 4;
- FIG. 1 is a configuration diagram of an escalator to which a passenger conveyor inspection device according to Embodiment 1 is applied.
- the lower entrance/exit 1 is provided at the bottom of the passenger conveyor.
- the lower entrance/exit 1 is provided on the lower floor of the adjacent floor.
- the upper entrance/exit 2 is provided above the passenger conveyor.
- the upper entrance/exit 2 is provided on the upper floor of the adjacent floor.
- the lower machine room 3 is provided below the lower entrance/exit 1.
- the upper machine room 4 is provided below the upper entrance/exit 2 .
- a plurality of steps 5 are provided between the lower entrance/exit 1 and the upper entrance/exit 2.
- a plurality of steps 5 are provided endlessly.
- One of the pair of skirt guards 6 is provided outside one side of the plurality of steps 5 .
- the other of the pair of skirt guards 6 is provided outside the other side of the plurality of steps 5 .
- Each of the pair of skirt guards 6 extends along the length of the passenger conveyor.
- balustrade panels 7 are provided on one of the pair of skirt guards 6 .
- the other of the pair of balustrade panels 7 is provided on the other of the pair of skirt guards 6 .
- a pair of balustrade panels 7 each run along the length of the passenger conveyor.
- One of the pair of handrails 8 is provided on one of the pair of balustrade panels 7 .
- the other of the pair of handrails 8 is provided on the other of the pair of balustrade panels 7 .
- Each of the pair of handrails 8 is provided endlessly.
- a plurality of steps 5 move cyclically.
- a pair of handrails 8 cyclically move in synchronization with a plurality of steps 5.
- FIG. 2 is a diagram for explaining the inspection of the passenger conveyor by the inspection device for the passenger conveyor according to the first embodiment.
- a plurality of comb teeth 9 are provided at the end of the lower entrance/exit 1 .
- a plurality of comb teeth 9 are also provided at the end of the upper entrance/exit 2 .
- a plurality of cleats 10 are provided on the upper surface of the step 5 . When the step 5 is positioned at the end of the lower entrance/exit 1 , the cleats 10 mesh with the comb teeth 9 . When the step 5 is positioned at the end of the upper entrance/exit 2 , the cleats 10 mesh with the comb teeth 9 .
- the senor 11 is temporarily placed above the lower entrance/exit 1 .
- sensor 11 is an area camera.
- the detection area is set so as to include an area in which the plurality of comb teeth 9 and the plurality of cleats 10 are detected as a whole.
- the focused area is set to an area in which a plurality of comb teeth 9 and a plurality of cleats 10 appear alternately in the width direction of the passenger conveyor. .
- the sensor 11 detects the surface irregularities of the plurality of comb teeth 9 and the surface irregularities of the plurality of cleats 10 in the gaze area.
- the inspection device 12 determines the positional relationship between the plurality of comb teeth 9 and the plurality of cleats 10 based on surface data reflecting the surface irregularities of the plurality of comb teeth 9 and the plurality of cleats 10 . Check condition.
- FIG. 3 is a block diagram of the inspection device for the passenger conveyor according to the first embodiment.
- the inspection device 12 includes a data acquisition unit 12a, a data extraction unit 12b, a similarity calculation unit 12c, and a state determination unit 12d.
- the data acquisition unit 12a acquires surface data from the sensor 11.
- the data extraction unit 12b extracts comb shape data and cleat shape data by separating the surface data acquired by the data acquisition unit 12a by color information. For example, the data extraction unit 12b extracts multidimensional vector data representing the shape of a plurality of comb teeth 9 as comb shape data. For example, the data extraction unit 12b extracts multidimensional vector data representing the shapes of a plurality of cleats 10 as cleat shape data.
- the similarity calculation unit 12c calculates the similarity between the comb shape data and the cleat shape data extracted by the data extraction unit 12b.
- the state determination unit 12d determines the state of the positional relationship between the plurality of comb teeth 9 and the plurality of cleats 10 based on the degree of similarity calculated by the degree of similarity calculation unit 12c.
- FIG. 4 is a diagram showing surface data used in the passenger conveyor inspection device according to the first embodiment.
- the color of the comb tooth 9 differs from the color of the cleat 10 in the surface data. Specifically, the color of the comb teeth 9 is different from the color of the protrusions and recesses of the cleat 10 .
- FIG. 5 is a diagram for explaining a method for extracting comb shape data and cleat shape data by the passenger conveyor inspection device according to the first embodiment.
- the inspection device 12 extracts the surface data as pixel matrix data. Thereafter, as shown in (b) of FIG. 5, the inspection device 12 binarizes the data of the pixel matrix.
- the threshold in this case is set to "40".
- the inspection device 12 vertically convolves the binarized data. Specifically, the inspection device 12 integrates the values arranged in the vertical direction in the binarized data. After that, as shown in (d) of FIG. 5, the inspection device 12 converts the waveform data obtained by graphing the values obtained by accumulating the values arranged in the vertical direction in the binarized data into comb shape data or cleat shape data.
- FIG. 6 is a diagram for explaining a method of calculating the degree of similarity between the comb shape data and the cleat shape data by the passenger conveyor inspection device according to the first embodiment.
- FIG. 6 shows comb shape data.
- FIG. 6(b) shows cleat shape data.
- the inspection device 12 calculates the inner product of the comb shape data and the cleat shape data. Specifically, the inspection device 12 calculates the product of the value of the comb shape data and the value of the cleat shape data for each horizontal position. The inspection device 12 uses the calculated value at this time as the similarity value.
- (c) of FIG. 6 shows the similarity over time.
- the inspection device 12 compares the similarity value with a preset threshold.
- the inspection device 12 determines that an abnormality has occurred when the value of the degree of similarity is smaller than a preset threshold. Specifically, the inspection device 12 determines that the plurality of comb teeth and the plurality of cleats are close to each other.
- the inspection device 12 determines the state of the positional relationship between the plurality of comb teeth 9 and the plurality of cleats 10 based on the degree of similarity between the comb shape data and the cleat shape data. . Therefore, the state of the relative positional relationship between the plurality of comb teeth 9 and the plurality of cleats 10 can be quantitatively determined before the comb teeth 9 and the cleats 10 collide. As a result, the approach between the comb tooth 9 and the cleat 10 can be detected.
- the state determination unit 12d when the similarity value calculated by the similarity calculation unit 12c is smaller than a preset threshold value, the plurality of comb teeth 9 and the plurality of cleats 10 are approaching each other. It should be judged that there is
- the inspection device 12 separates the comb shape data and the cleat shape data based on the color information of the surface data. Therefore, a simple area camera can be adopted as the sensor 11 . Furthermore, the influence of the orientation of the sensor 11 can be suppressed.
- FIG. 7 is a hardware configuration diagram of the inspection device for the passenger conveyor according to the first embodiment.
- Each function of the inspection device 12 can be realized by a processing circuit.
- the processing circuitry comprises at least one processor 100a and at least one memory 100b.
- the processing circuitry comprises at least one piece of dedicated hardware 200 .
- each function of the inspection device 12 is realized by software, firmware, or a combination of software and firmware. At least one of software and firmware is written as a program. At least one of software and firmware is stored in at least one memory 100b. At least one processor 100a implements each function of inspection device 12 by reading and executing a program stored in at least one memory 100b.
- the at least one processor 100a is also referred to as a central processing unit, processing unit, arithmetic unit, microprocessor, microcomputer, DSP.
- the at least one memory 100b is a nonvolatile or volatile semiconductor memory such as RAM, ROM, flash memory, EPROM, EEPROM, magnetic disk, flexible disk, optical disk, compact disk, mini disk, DVD, or the like.
- the processing circuitry comprises at least one piece of dedicated hardware 200
- the processing circuitry may be implemented, for example, in single circuits, multiple circuits, programmed processors, parallel programmed processors, ASICs, FPGAs, or combinations thereof.
- each function of the inspection device 12 is implemented by a processing circuit.
- each function of the inspection device 12 is collectively realized by a processing circuit.
- a part of each function of the inspection device 12 may be realized by dedicated hardware 200, and the other part may be realized by software or firmware.
- the function of the state determination unit 12d is realized by a processing circuit as dedicated hardware 200, and the functions other than the function of the state determination unit 12d are executed by at least one processor 100a in at least one memory 100b. may be implemented by reading and executing
- the processing circuit implements each function of the inspection device with hardware 200, software, firmware, or a combination thereof.
- FIG. 8 is a block diagram of a passenger conveyor inspection device according to Embodiment 2.
- the same reference numerals are given to the same or corresponding parts as those of the first embodiment. Description of this part is omitted.
- the inspection device 12 includes a phase shifter 12e.
- the phase shifter 12e shifts the phase of one of the comb shape data and the cleat shape data extracted by the data extractor 12b.
- the similarity calculation unit 12c calculates one of the comb shape data and the cleat shape data phase-shifted by the phase shift unit 12e and the other of the comb shape data and the cleat shape data extracted by the data extraction unit 12b. Calculate the similarity with
- FIG. 9 is a diagram for explaining a method of shifting the phase of one of the comb shape data and the cleat shape data by the passenger conveyor inspection device according to the second embodiment.
- FIG. 9 shows comb shape data.
- FIG. 9B shows cleat shape data.
- the inspection device 12 shifts the phase of one of the comb shape data and the cleat shape data so that the degree of similarity becomes approximately one.
- the inspection device 12 shifts the phase of one of the comb shape data and the cleat shape data. Therefore, the degree of similarity between the comb shape data and the cleat shape data can be brought close to 1, which is the maximum value when normalized. As a result, it is possible to increase the difference between when the positional relationship between the plurality of comb teeth 9 and the plurality of cleats 10 is normal and when it is abnormal.
- FIG. 10 is a diagram for explaining the inspection of the passenger conveyor by the inspection device for the passenger conveyor according to the third embodiment.
- symbol is attached
- FIG. 10 is an example of the arrangement of the sensors 11 .
- the sensor 11 is temporarily provided above the plurality of comb teeth 9 .
- the detection area is set so as to include an area in which the plurality of comb teeth 9 and the plurality of cleats 10 are detected as a whole.
- FIG. 10 is an example of the arrangement of the first sensor 11a and the second sensor 11b.
- the first sensor 11 a is temporarily provided above the plurality of comb teeth 9 .
- the detection area is set such that a plurality of comb teeth 9 and a plurality of cleats 10 are detected.
- the second sensor 11b is temporarily arranged closer to the center of the passenger conveyor than the first sensor 11a.
- the detection area is set such that a plurality of cleats 10 are detected without a plurality of comb teeth 9 being detected.
- the first gaze area is set in an area where a plurality of comb teeth 9 and a plurality of cleats 10 appear alternately in the width direction of the passenger conveyor.
- the second gaze area is set to an area where the plurality of cleats 10 appear side by side in the width direction of the passenger conveyor without the plurality of comb teeth 9 appearing.
- the sensor 11 detects the surface irregularities of the plurality of comb teeth 9 and the surface irregularities of the plurality of cleats 10 in the first gaze area.
- the sensor 11 detects the uneven shape of the surfaces of the cleats 10 in the second gaze area.
- the first sensor 11a and the second sensor 11b in FIG. 10B detect the irregularities of the surfaces of the multiple comb teeth 9 and the multiple cleats 10 in the first gaze area. It detects the uneven shape of the surface.
- the second sensor 11b detects the uneven shape of the surfaces of the cleats 10 in the second gaze area.
- the inspection device 12 recognizes the position information at the position shifted in the traveling direction of step 5 from the second gaze area of the first gaze areas as the position information of the plurality of comb teeth 9 .
- the inspection device 12 recognizes the positional information of the second gaze area as the positional information of the plurality of cleats 10 .
- the inspection device 12 determines the state of the positional relationship between the plurality of comb teeth 9 and the plurality of cleats 10 based on the position information of the plurality of comb teeth 9 and the position information of the plurality of cleats 10 .
- FIG. 11 is a diagram for explaining a method for extracting comb shape data and cleat shape data by the passenger conveyor inspection device according to the third embodiment.
- FIG. 11 shows distance data in the depth direction in the first gaze area and distance data in the depth direction in the second gaze area.
- FIG. 11(b) shows the first waveform data corresponding to the data of the distance in the depth direction in the first attention area and the second waveform data corresponding to the data of the distance in the depth direction in the second attention area.
- the inspection device 12 uses the second waveform data as cleat shape data.
- the inspection device uses the difference between the first waveform data and the second waveform data as comb shape data.
- the inspection device 12 obtains the position information of the plurality of comb teeth 9 at the position shifted in the traveling direction in step 5 with respect to the second gaze area of the first gaze area. Recognize as location information.
- the inspection device 12 recognizes the positional information of the second gaze area as the positional information of the plurality of cleats 10 .
- the inspection device 12 separates the comb shape data and the cleat shape data based on the position information of the surface data. Therefore, even if there is no color difference between the comb teeth 9 and the cleats 10, the state of the positional relationship between the multiple comb teeth 9 and the multiple cleats 10 can be accurately determined.
- FIG. 12 is a block diagram of a passenger conveyor inspection device according to Embodiment 4.
- the same reference numerals are given to the same or corresponding parts as those of the second embodiment. Description of this part is omitted.
- the inspection device 12 includes a passage determination section 12f.
- the passage determination unit 12f determines whether the end of step 5 is passing directly under the multiple comb teeth 9 or not.
- the state determination unit 12d identifies each step 5 based on the determination result of the passage determination unit 12f.
- FIG. 13A and 13B are diagrams for explaining a method for determining the timing at which the end of a step passes directly under a plurality of comb teeth by the passenger conveyor inspection device according to Embodiment 4.
- FIG. 13A and 13B are diagrams for explaining a method for determining the timing at which the end of a step passes directly under a plurality of comb teeth by the passenger conveyor inspection device according to Embodiment 4.
- the inspection device 12 extracts the surface data as pixel matrix data. After that, as shown in (b) of FIG. 13, the inspection device 12 binarizes the data of the pixel matrix. For example, the threshold in this case is set to "40".
- the inspection device 12 vertically convolves the binarized data. Specifically, the inspection device 12 integrates the values arranged in the vertical direction in the binarized data. After that, as shown in (d) of FIG. 13, the inspection device 12 converts the waveform data obtained by graphing the values obtained by accumulating the values arranged in the vertical direction in the binarized data into comb shape data or cleat shape data.
- the inspection device 12 determines that the end of step 5 is passing directly under the plurality of comb teeth 9 at the current timing. After that, the inspection device 12 recognizes the switching of step 5 at the timing when the waveform data can be regarded as a significant waveform.
- the inspection device 12 performs each of the plurality of steps 5 based on the determination result as to whether or not the end of the step 5 passes directly under the plurality of comb teeth 9. Identify. Therefore, each of the multiple steps 5 can be identified without requiring a new sensor.
- the inspection device 12 recognizes the switch in step 5. Therefore, the determination result of the state of the positional relationship between the plurality of comb teeth 9 and the plurality of cleats 10 can be associated with step 5 and recognized.
- the comb shape data or the cleat shape data is subjected to a periodic search method using a predetermined periodic search method. It suffices to determine whether or not there is a significant period in the range. If there is a significant period in the period search range, it may be determined that the end of step 5 is passing directly under the plurality of comb teeth 9 based on the period.
- step 5 determines whether or not the end portion of step 5 passes directly under the plurality of comb teeth 9. It is determined whether or not the average or variance of the comb shape data or the cleat shape data is larger than a preset value. may be determined. If the average or variance of the comb shape data or cleat shape data is greater than a preset value, it may be determined that the end of step 5 is passing directly under the plurality of comb teeth 9 .
- inspection may be performed by the inspection device 12 of Embodiments 1 to 4 on the side of the upper entrance/exit 2 .
- the moving walkway may be inspected by the inspection device 12 of Embodiments 1 to 4.
- the passenger conveyor inspection device of the present disclosure can be used for passenger conveyors.
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Abstract
Description
図1は実施の形態1における乗客コンベアの点検装置が適用されるエスカレーターの構成図である。
図2は実施の形態1における乗客コンベアの点検装置による乗客コンベアの点検を説明するための図である。
図3は実施の形態1における乗客コンベアの点検装置のブロック図である。
図4は実施の形態1における乗客コンベアの点検装置に利用される表面データを示す図である。
図5は実施の形態1における乗客コンベアの点検装置によるクシ形状データとクリート形状データとを抽出する方法を説明するための図である。
図6は実施の形態1における乗客コンベアの点検装置によるクシ形状データとクリート形状データとの類似度を算出する方法を説明するための図である。
図7は実施の形態1における乗客コンベアの点検装置のハードウェア構成図である。
図8は実施の形態2における乗客コンベアの点検装置のブロック図である。なお、実施の形態1の部分と同一又は相当部分には同一符号が付される。当該部分の説明は省略される。
図9は実施の形態2における乗客コンベアの点検装置によるクシ形状データとクリート形状データとのうちの一方の位相をシフトさせる方法を説明するための図である。
図10は実施の形態3における乗客コンベアの点検装置による乗客コンベアの点検を説明するための図である。なお、実施の形態1の部分と同一又は相当部分には同一符号が付される。当該部分の説明は省略される。
図11は実施の形態3における乗客コンベアの点検装置によるクシ形状データとクリート形状データとを抽出する方法を説明するための図である。
図12は実施の形態4における乗客コンベアの点検装置のブロック図である。なお、実施の形態2の部分と同一又は相当部分には同一符号が付される。当該部分の説明は省略される。
図13は実施の形態4における乗客コンベアの点検装置によるステップの端部が複数のクシ歯の直下を通過するタイミングを判定する方法を説明するための図である。
Claims (8)
- 複数のクシ歯の表面の凹凸形状と複数のクリートの表面の凹凸形状とが反映された表面データを取得するデータ取得部と、
前記データ取得部に取得された表面データから前記複数のクシ歯の形状を表す多次元ベクトルデータであるクシ形状データと前記複数のクリートの形状を表す多次元ベクトルデータであるクリート形状データとを抽出するデータ抽出部と、
前記データ抽出部に抽出されたクシ形状データとクリート形状データとの類似度を算出する類似度算出部と、
前記類似度算出部に算出された類似度に基づいて前記複数のクシ歯と前記複数のクリートとの位置関係の状態を判定する状態判定部と、
を備えた乗客コンベアの点検装置。 - 前記データ抽出部に抽出されたクシ形状データとクリート形状データとのうちの一方の位相をシフトさせる位相シフト部、
を備え、
前記類似度算出部は、前記位相シフト部に位相をシフトされた前記クシ形状データとクリート形状データとのうちの一方と前記データ抽出部に抽出されたクシ形状データとクリート形状データとのうちの他方との類似度を算出する請求項1に記載の乗客コンベアの点検装置。 - 前記データ抽出部は、前記データ取得部に取得された表面データの色情報に基づいて前記クシ形状データと前記クリート形状データとを分離する請求項1または請求項2に記載の乗客コンベアの点検装置。
- 前記データ抽出部は、前記データ取得部に取得された表面データの位置情報に基づいて前記クシ形状データと前記クリート形状データとを分離する請求項1または請求項2に記載の乗客コンベアの点検装置。
- 前記状態判定部は、前記類似度算出部に算出された類似度の値が予め設定された閾値よりも小さい場合に前記複数のクシ歯と前記複数のクリートとが接近していると判定する請求項1から請求項4のいずれか一項に記載の乗客コンベアの点検装置。
- ステップの端部が前記複数のクシ歯の直下を通過中であるか否かを判定する通過判定部、
を備え、
前記状態判定部は、前記通過判定部の判定状態に基づいて複数のステップの各々を識別する請求項1から請求項5のいずれか一項に記載の乗客コンベアの点検装置。 - 前記通過判定部は、前記クシ形状データまたは前記クリート形状データに対し、周期探索法を用いて、予め設定された周期探索範囲において有意な周期が存在するか否かを判定し、当該周期探索範囲において有意な周期が存在する場合に、当該周期に基づいてステップの端部が前記複数のクシ歯の直下を通過中であると判定する請求項6に記載の乗客コンベアの点検装置。
- 前記通過判定部は、前記クシ形状データまたは前記クリート形状データの分散または平均が予め設定された閾値よりも大きい場合にステップの端部が前記複数のクシ歯の直下を通過中であると判定する請求項6に記載の乗客コンベアの点検装置。
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PCT/JP2021/005670 WO2022176010A1 (ja) | 2021-02-16 | 2021-02-16 | 乗客コンベアの複数のクシ歯と複数のクリートとの位置関係の状態を点検する点検装置 |
CN202180093679.1A CN116888061A (zh) | 2021-02-16 | 2021-02-16 | 点检乘客输送机的多个梳齿与多个夹板之间的位置关系的状态的点检装置 |
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WO2007031106A1 (en) * | 2005-09-16 | 2007-03-22 | Otis Elevator Company | Optically monitoring comb-line of escalators and moving walks |
JP2014080267A (ja) * | 2012-10-16 | 2014-05-08 | Mitsubishi Electric Corp | 乗客コンベアの自動監視装置、および乗客コンベアの自動監視方法 |
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KR102246761B1 (ko) * | 2018-05-28 | 2021-04-30 | 미쓰비시 덴키 빌딩 테크노 서비스 가부시키 가이샤 | 핸드레일의 순환 시간을 판정하는 승객 컨베이어의 점검 시스템 |
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JP2006027790A (ja) * | 2004-07-14 | 2006-02-02 | Mitsubishi Electric Building Techno Service Co Ltd | 乗客コンベアのくし板監視装置 |
WO2007031106A1 (en) * | 2005-09-16 | 2007-03-22 | Otis Elevator Company | Optically monitoring comb-line of escalators and moving walks |
JP2014080267A (ja) * | 2012-10-16 | 2014-05-08 | Mitsubishi Electric Corp | 乗客コンベアの自動監視装置、および乗客コンベアの自動監視方法 |
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CN210862491U (zh) * | 2019-09-05 | 2020-06-26 | 黄建良 | 一种槽内啮合深度测量装置 |
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